CN109999792A - A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method - Google Patents
A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method Download PDFInfo
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- CN109999792A CN109999792A CN201910307381.0A CN201910307381A CN109999792A CN 109999792 A CN109999792 A CN 109999792A CN 201910307381 A CN201910307381 A CN 201910307381A CN 109999792 A CN109999792 A CN 109999792A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 16
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 16
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- 238000010041 electrostatic spinning Methods 0.000 claims description 10
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004246 zinc acetate Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 6
- 238000003837 high-temperature calcination Methods 0.000 claims description 5
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical group O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- 239000011701 zinc Substances 0.000 claims 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 2
- 229910052725 zinc Inorganic materials 0.000 claims 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 239000008367 deionised water Substances 0.000 claims 1
- 229910021641 deionized water Inorganic materials 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- KPGXUAIFQMJJFB-UHFFFAOYSA-H tungsten hexachloride Chemical compound Cl[W](Cl)(Cl)(Cl)(Cl)Cl KPGXUAIFQMJJFB-UHFFFAOYSA-H 0.000 claims 1
- 239000002071 nanotube Substances 0.000 abstract description 15
- 230000001699 photocatalysis Effects 0.000 abstract description 8
- 238000007146 photocatalysis Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- 239000002121 nanofiber Substances 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000001523 electrospinning Methods 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- DBJUEJCZPKMDPA-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O DBJUEJCZPKMDPA-UHFFFAOYSA-N 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten(VI) oxide Inorganic materials O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 19
- 238000002474 experimental method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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Abstract
The invention discloses a kind of porous ZnWO4/WO3Ammonium metatungstate, is specifically added in the DMF solution of PVP with acetic acid zinc solution and is stirred by nano pipe light catalyst and simple controllable preparation method, so that it is uniformly mixed preparation electrospinning colloidal sol, its electrospinning is made to obtain ZnWO4/WO3Gelatinous fibre is being calcined to obtain porous ZnWO4/WO3Nanotube, the ZnWO of the different-shape then obtained by the variation of regulation solid content4/WO3Nanotube.It is characteristic of the invention that more sky ZnWO can be prepared using one-step method mixing electrospinning process in process of production4/WO3Nanotube；The heterojunction structure being prepared simultaneously, relatively simple nanofiber increase its specific surface area, make it have more active sites, increase the transmission of electronics, and the nanotube prepared has good photocatalysis performance.
Description
Technical field
The invention belongs to photocatalysis technology fields, the specially preparation method of porous nano tube material.
Background technique
With the continuous development of industrial economy, people's living environment is worsening, and water pollution problems increasingly causes people
Concern.The method of currently processed water pollution is varied, wherein semiconductor light-catalyst with low cost, Gao Chengxiao the advantages that by
Gradually become the research hotspot in the field.It is used from Fujishima and Honda(Nature 1972,238,37-8 in 1972)
TiO2Electrode is done by water electrolysis into H2And O2Since, TiO2As most common catalysis material, just due to its it is non-toxic, low at
The features such as sheet and high stability, causes wide coverage.But due to TiO2Greater band gap (~ 3.2 ev), can only be purple
Outer light irradiation, sun light utilization efficiency limit it in the application range of photocatalysis field less than 5%.Therefore, in order to more effectively
Using solar energy, it is very crucial for developing efficient, sustainable stable visible light catalyst.Wherein, WO3As a kind of typical case
N-type semiconductor can more effectively absorb visible light, it is considered to be a kind of ideal since its band gap is smaller (2.8 eV or so)
Photochemical catalyst.Have multiple seminars at present to expand about WO3The research of photochemical catalyst.It is urged by constructing heterojunction structure light
Agent has proved to be a kind of effective method to improve photocatalytic activity.In addition, porous nanotube has biggish relatively face
Product, is conducive to better degradable organic pollutant, therefore can increase the photocatalysis performance for improving tungstic acid.
Summary of the invention
Object of the present invention is to utilize the porous ZnWO of building4/WO3Heterojunction structure improves WO3Photocatalysis performance, and
Porosity is simply controllable.
To achieve the purpose of the present invention, the following technical schemes are provided:
A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method, comprise the following steps that
(1) ammonium metatungstate is dissolved in water, the solution A that ammonium metatungstate mass concentration is 30 ~ 40% is made;
(2) zinc acetate is dissolved in A, the solution B that zinc acetate mass concentration is 30 ~ 40% is made;
(3) polyvinylpyrrolidone (PVP) is dissolved in n,N-Dimethylformamide, it is 10 ~ 20% PVP solution that mass concentration, which is made,
C;
(4) by solution A, solution B and solution C mixing, under agitation, solution is uniformly dissolved, and obtains solution D；
(5) solution D obtained is added in syringe needle tube, carries out electrostatic spinning;
(6) tunica fibrosa for obtaining electrostatic spinning carries out high-temperature calcination, obtains nano pipe light catalyst.
, according to the invention it is preferred to, in step (1), the mass concentration of ammonium metatungstate is 32%.
, according to the invention it is preferred to, in step (2), the mass concentration of zinc acetate is 31%.
, according to the invention it is preferred to, in step (3), PVP mass concentration is 10%.
, according to the invention it is preferred to, in step (5), the fltting speed of electrospun solution is 2.26 mL/h, and voltage is 20 kV.
, according to the invention it is preferred to, in step (6), the temperature of calcining is 550 °C, and calcining rate is 1 °C/min, when heat preservation
Between be 60 min.
It is modifying to tungsten trioxide photocatalyst that the present invention, which is using the purpose of building heterojunction structure, it is made to construct hetero-junctions
Interface.The porous heterogeneous structure nano pipe for preparing it further increases the specific surface area of material, enhances illumination and penetrates energy
Power further improves photocatalytic activity.Using the electron-transport between interface, electron storage platform is provided, is substantially reduced
The recombination rate of photo-generate electron-hole, improves the photo-catalysis capability of material.
Specific embodiment
Following embodiment is intended to illustrate invention rather than limitation of the invention further.
Embodiment 1:
(1) 0.9 g ammonium metatungstate is dissolved in 3 ~ 5 mL water, the solution A that ammonium metatungstate mass concentration is 30 ~ 40% is made;
(2) 0.5 g ammonium metatungstate is dissolved in solution A, the solution B that zinc acetate mass concentration is 30 ~ 40% is made;
(3) 0.8 g polyvinylpyrrolidone (PVP) is dissolved in 8 ~ 10 mL n,N-Dimethylformamide, obtained mass concentration is
10 ~ 30 % PVP solution Bs;
(4) by solution A, solution B and solution C mixing, under agitation, solution is uniformly dissolved, and obtains solution D;
(5) solution D obtained is added in syringe needle tube, carries out electrostatic spinning;
(6) tunica fibrosa for obtaining electrostatic spinning carries out 550 °C of high-temperature calcinations, obtains nanotube;
Embodiment 2:
(1) 0.45 g ammonium metatungstate is dissolved in 3 ~ 5 mL water, the solution A that ammonium metatungstate mass concentration is 15 ~ 20% is made;
(2) 0.25 g ammonium metatungstate is dissolved in solution A, the solution B that zinc acetate mass concentration is 15 ~ 20% is made;
(3) 0.8 g polyvinylpyrrolidone (PVP) is dissolved in 8 ~ 10 mL n,N-Dimethylformamide, obtained mass concentration is
10 ~ 30% PVP solution Bs;
(4) by solution A, solution B and solution C mixing, under agitation, solution is uniformly dissolved, and obtains solution D；
(5) solution D obtained is added in syringe needle tube, carries out electrostatic spinning;
(6) tunica fibrosa for obtaining electrostatic spinning carries out 550 °C of high-temperature calcinations, obtains nanotube;
Embodiment 3:
(1) 1.8 g ammonium metatungstates are dissolved in 3 ~ 5 mL water, the solution A that ammonium metatungstate mass concentration is 40 ~ 50% is made;
(2) 1.0 g ammonium metatungstates are dissolved in solution A, the solution B that zinc acetate mass concentration is 40 ~ 50% is made;
(3) 0.8 g polyvinylpyrrolidone (PVP) is dissolved in 8 ~ 10 mL n,N-Dimethylformamide, obtained mass concentration is
10 ~ 30% PVP solution Bs;
(4) by solution A, solution B and solution C mixing, under agitation, solution is uniformly dissolved, and obtains solution D；
(5) solution D obtained is added in syringe needle tube, carries out electrostatic spinning;
(6) tunica fibrosa for obtaining electrostatic spinning carries out 550 °C of high-temperature calcinations, obtains nanotube;
Experimental example
By the absorption and photocatalytic degradation experiment to 4-NP, ZnWO is tested4/WO3The photocatalysis performance of heterogeneous structural nano pipe.
Light-catalyzed reaction carries out under room temperature is long in cylindrical glass container, is reacted using light source immersion, light source 800
W xenon lamp, the pollutant that nanofiber is evaluated as simulating pollution object using 4-NP understand performance.In experimentation, respectively by 60
mg ZnWO4/WO3Heterogeneous structural nano pipe and WO3Nanofiber sample is dissolved in 4-NP solution (20 mg/L), in dark condition
Under, 30 min of magnetic agitation is xenon lamp to be opened, by light after 4-NP solution reaches adsorption equilibrium on nano-photocatalyst surface
According to rear, 4 mL are sampled every 20 min.After syringe filters filter, using ultraviolet-uisible spectrophotometer, greenery are measured
Absorbance calculates the concentration of remnants 4-NP.Fig. 3 is ZnWO prepared by embodiment 14/WO3Heterogeneous structural nano pipe and WO3Nanometer
The degradation efficiency of fiber compares, it can be seen that ZnWO prepared by embodiment 14/WO3Heterogeneous structural nano pipe degradation efficiency has very
Big raising.
Detailed description of the invention
Fig. 1 is the experiment flow figure of the embodiment of the present invention 1.
Fig. 2 is the ZnWO that solid content made from the embodiment of the present invention 1 is 27%4/WO3The scanning electron microscope (SEM) photograph of nanotube.
Fig. 3 is the ZnWO that solid content made from the embodiment of the present invention 1 is 54%4/WO3The scanning electron microscope (SEM) photograph of nanotube.
Fig. 4 is the ZnWO that solid content made from the embodiment of the present invention 1 is 80%4/WO3The scanning electron microscope (SEM) photograph of nanotube.
Fig. 5 is ZnWO made from the embodiment of the present invention 14/WO3The degradation property correlation curve of 4 circulation experiments of nanotube.
Fig. 6 is the ZnWO of the embodiment of the present invention 14/WO3The XRD spectrum of 4 circulation experiments of nanotube.
Fig. 7 is the ZnWO of the embodiment of the present invention 14/WO3Scanning electron microscope (SEM) photograph after 4 circulation experiments circulation of nanotube.
Claims (6)
1. a kind of porous ZnWO4/WO3Nano pipe light catalyst, which is characterized in that the catalyst is by Zinc Tungstate and tungstic acid group
At according to molar percent: wolframic acid Zn content is 40% ~ 60%, and the content of tungstic acid is 40%-60%.
2. porous ZnWO according to claim 14/WO3Nano pipe light catalyst, which is characterized in that the catalyst
Specific surface area is 20 ~ 40 m2/cm。
3. the porous ZnWO according to claim 14/WO3Nano pipe light catalyst and simple controllable preparation method, feature
It is that tungsten source is one kind of ammonium metatungstate or tungsten hexachloride.
4. the porous ZnWO according to claim 14/WO3Nano pipe light catalyst and simple controllable preparation method, feature
It is that zinc source is one kind of zinc acetate or zinc nitrate.
5. porous ZnWO according to claim 14/WO3Nano pipe light catalyst and simple controllable preparation method, feature
Be solvent be deionized water, n,N-Dimethylformamide, at least one of ethylene glycol.
6. a kind of porous ZnWO described in claim 14/WO3The preparation method of nano pipe light catalyst, includes the following steps:
(1) ammonium metatungstate is dissolved in water, the solution A that ammonium metatungstate mass concentration is 30 ~ 40% is made;
(2) zinc acetate is dissolved in A, the solution B that zinc acetate mass concentration is 30 ~ 40% is made;
(3) polyvinylpyrrolidone (PVP) is dissolved in n,N-Dimethylformamide, it is 10 ~ 20% PVP solution that mass concentration, which is made,
C;
(4) by solution A, solution B and solution C mixing, under agitation, solution is uniformly dissolved, and obtains solution D；
(5) solution D obtained is added in syringe needle tube, carries out electrostatic spinning;
(6) tunica fibrosa for obtaining electrostatic spinning carries out high-temperature calcination, obtains nano pipe light catalyst.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307381.0A CN109999792A (en) | 2019-04-17 | 2019-04-17 | A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method |
| ZA2019/03995A ZA201903995B (en) | 2019-04-17 | 2019-06-20 | Porous znwo4/wo3 nanotube photocatalyst and simple and controllable prepara-tion method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307381.0A CN109999792A (en) | 2019-04-17 | 2019-04-17 | A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method |
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| CN109999792A true CN109999792A (en) | 2019-07-12 |
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| CN201910307381.0A Pending CN109999792A (en) | 2019-04-17 | 2019-04-17 | A kind of porous ZnWO4/WO3Nano pipe light catalyst and simple controllable preparation method |
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| ZA (1) | ZA201903995B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327914A (en) * | 2019-08-19 | 2019-10-15 | 齐鲁工业大学 | A kind of tungstic acid/cadmium tungstate nanofiber catalysis material and the preparation method and application thereof |
| CN115634686A (en) * | 2022-09-09 | 2023-01-24 | 齐鲁工业大学 | Photocatalytic material MWO capable of responding to visible light, near infrared light and selective degradation thereof 4 And preparation method and application thereof |
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| CN107299417A (en) * | 2017-06-01 | 2017-10-27 | 济南大学 | A kind of WO3/ZnWO4Preparation method of composite micro-nano rice fiber and products thereof |
| CN108538607A (en) * | 2018-04-28 | 2018-09-14 | 天津大学 | Type II heterojunction WO3-ZnWO4Thin-film photoelectric anode, preparation method and application thereof |
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2019
- 2019-04-17 CN CN201910307381.0A patent/CN109999792A/en active Pending
- 2019-06-20 ZA ZA2019/03995A patent/ZA201903995B/en unknown
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| CN107299417A (en) * | 2017-06-01 | 2017-10-27 | 济南大学 | A kind of WO3/ZnWO4Preparation method of composite micro-nano rice fiber and products thereof |
| CN108538607A (en) * | 2018-04-28 | 2018-09-14 | 天津大学 | Type II heterojunction WO3-ZnWO4Thin-film photoelectric anode, preparation method and application thereof |
| CN109126769A (en) * | 2018-10-19 | 2019-01-04 | 江西理工大学 | In-situ self-grown prepares tungstic acid/Zinc Tungstate composite photocatalyst material method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327914A (en) * | 2019-08-19 | 2019-10-15 | 齐鲁工业大学 | A kind of tungstic acid/cadmium tungstate nanofiber catalysis material and the preparation method and application thereof |
| CN110327914B (en) * | 2019-08-19 | 2021-07-23 | 齐鲁工业大学 | Tungsten trioxide/cadmium tungstate nanofiber photocatalytic material and preparation method and application thereof |
| CN115634686A (en) * | 2022-09-09 | 2023-01-24 | 齐鲁工业大学 | Photocatalytic material MWO capable of responding to visible light, near infrared light and selective degradation thereof 4 And preparation method and application thereof |
| CN115634686B (en) * | 2022-09-09 | 2024-04-16 | 齐鲁工业大学 | Photocatalytic material MWO capable of responding to visible light and near infrared light and selectively degrading 4 Preparation method and application thereof |
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| ZA201903995B (en) | 2022-05-25 |
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Application publication date: 20190712 |